ATM +/XRCC1 +, DNA-PK +/XRCC1 + and ATR +/XRCC1 + tumours had the worst survival compared to ATM-/XRCC1-, DNA-PK-/XRCC1- and ATR-/XRCC1- tumours in our study. Here, XRCC1 is linked to neoplasm.